The Doomsday Clock is an internationally recognized design that conveys how close we are to destroying our civilization with dangerous technologies of our own making. First and foremost among these are nuclear weapons, but the dangers include climate-changing technologies, emerging... Read More

Articles by Benjamin Loehrke

Both NATO and Russia would like to see the other reduce its stockpile of tactical nuclear weapons, but the two sides have been unable to agree on mutual reductions. Even modest progress on the issue at NATO's Chicago summit seems unlikely. This is partially because it is unclear what a "tactical" nuclear weapon is.

When, earlier this month, the International Atomic Energy Agency (IAEA) released a report on Iran's nuclear program, several media agencies and politicians walked away with two messages: that the Vienna-based agency now refutes past estimates of the US intelligence community, and that Iran is now making a break for the bomb. Both representations are false. Yet these assertions have been repeated often enough to give them traction with the public and Congress.

For more than 40 years, Turkey has been a quiet custodian of U.S. tactical nuclear weapons. During the Cold War, Washington positioned intermediate-range nuclear missiles and bombers there to serve as a bulwark against the Soviet Union (i.e., to defend the region against Soviet attack and to influence Soviet strategic calculations). In the event of a Soviet assault on Europe, the weapons were to be fired as one of the first retaliatory shots. But as the Cold War waned, so, too, did the weapons' strategic value.